Bruno 3.1.0 brings workspace .env files, visual Git diffs and transient requests

Bruno 3.1.0 introduces workspace-level .env file support and a visual editor, streamlining environment management. The update adds transient (non-persistent) requests for increased flexibility and debuts native Windows and Linux menus for improved platform integration. Users now benefit from a visual Git diff viewer, auto Git fetch, and a secure Safe Mode API. This release also delivers substantial bug fixes and expanded CLI proxy and certificate support.